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Accounts Receivable, Net (Details) - USD ($)
3 Months Ended 6 Months Ended
Apr. 26, 2020
Apr. 28, 2019
Apr. 26, 2020
Apr. 28, 2019
Oct. 27, 2019
Receivables [Abstract]          
Factored accounts receivable $ 158,000,000 $ 677,000,000 $ 364,000,000 $ 1,100,000,000  
Discounted letters of credit 0 0 0 0  
Discounted promissory notes 0 $ 0 0 $ 0  
Allowance for doubtful accounts $ 30,000,000   $ 30,000,000   $ 30,000,000